land_detector add missing header and init all vtol fields (#7754)

src/modules/land_detector/VtolLandDetector.cpp

@@ -46,14 +46,7 @@
 namespace land_detector
 {
 
-VtolLandDetector::VtolLandDetector() :
-	_paramHandle(),
-	_params(),
-	_airspeedSub(-1),
-	_vehicle_status_sub(-1),
-	_airspeed{},
-	_was_in_air(false),
-	_airspeed_filtered(0)
+VtolLandDetector::VtolLandDetector()
 {
 	_paramHandle.maxAirSpeed = param_find("LNDFW_AIRSPD_MAX");
 }
@@ -76,7 +69,6 @@ void VtolLandDetector::_update_topics()
 
 bool VtolLandDetector::_get_maybe_landed_state()
 {
-
 	// Only trigger in RW mode
 	if (!_vehicle_status.is_rotary_wing) {
 		return false;

src/modules/land_detector/VtolLandDetector.h

@@ -42,6 +42,7 @@
 #pragma once
 
 #include <uORB/topics/airspeed.h>
+#include <uORB/topics/vehicle_status.h>
 
 #include "MulticopterLandDetector.h"
 
@@ -60,24 +61,23 @@ protected:
 	bool _get_landed_state() override;
 	bool _get_maybe_landed_state() override;
 
-
 private:
 	struct {
 		param_t maxAirSpeed;
-	} _paramHandle;
+	} _paramHandle{};
 
 	struct {
 		float maxAirSpeed;
-	} _params;
+	} _params{};
 
-	int _airspeedSub;
-	int _vehicle_status_sub;
+	int _airspeedSub{-1};
+	int _vehicle_status_sub{-1};
 
-	struct airspeed_s		_airspeed;
-	struct vehicle_status_s	_vehicle_status;
+	airspeed_s		_airspeed{};
+	vehicle_status_s	_vehicle_status{};
 
-	bool _was_in_air; /**< indicates whether the vehicle was in the air in the previous iteration */
-	float _airspeed_filtered; /**< low pass filtered airspeed */
+	bool _was_in_air{false}; /**< indicates whether the vehicle was in the air in the previous iteration */
+	float _airspeed_filtered{0.0f}; /**< low pass filtered airspeed */
 };